Home / 22,991.39-34,530.82-14,287.13

Finding the Fourth Proportional to 22,991.39, 34,530.82 and 14,287.13

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Solution

The fourth proportional to 22,991.39, 34,530.82 and 14,287.13 is: 21,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,991.39 : 34,530.82 = 14,287.13 : x
  2. Step 2: Convert to fraction form
    22,991.39/34,530.82 = 14,287.13/x
  3. Step 3: Cross multiply
    22,991.39x = 34,530.82 × 14,287.13
  4. Step 4: Simplify right side
    22,991.39x = 493,346,105.97
  5. Step 5: Solve for x
    x = 493,346,105.97/22,991.39
  6. Step 6: Final answer
    x = 21,457.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.